- repair the CREATE INDEX ddl for schemas
- update provisioning to include support for setting up ATTACH DATABASE up front
for the test_schema; enable "schemas" testing for SQLite
- changelog / migration notes for new SQLite schema support
- include the "schema" as the "remote_schema" when we reflect SQLite FKs

that included non-alphabetic characters in the names, like dots or
spaces, would not be reflected with their name.
fixes #3495

non-Integer column types, fixes #2075

That is, after exhausing all rows using the fetch methods, the
DBAPI cursor is released as before and the object may be safely
discarded, but the fetch methods may continue to be called for which
they will return an end-of-result object (None for fetchone, empty list
for fetchmany and fetchall).   Only if :meth:`.ResultProxy.close`
is called explicitly will these methods raise the "result is closed"
error.
fixes #3330 fixes #3329

From https://www.sqlite.org/partialindex.html
> Partial indexes have been supported in SQLite since version 3.8.0.

Reflection does not expose the predicate of partial indexes.  The
postgresql dialect does detect such indexes and issue a warning.  I
looked into matching this level of support, but the sqlite pragma
index_info does not expose the predicate.  Getting this data would
probably require parsing the CREATE INDEX statement from sqlite_master.